Target pest: Coleophora frischella (Lepidoptera: Coleophoridae) = Coleophora trifolii, white tipped clover casebearer
Agent introduced: Diadegma sp. (Hymenoptera: Ichneumonidae)
Near MontmÃ©dy, France
Cameron et al. (1989) - eight individuals of Diadegma sp. were reared from 5,000 encased Coleophora trifolii imported from near MontmÃ©dy, France in 1955. Nothing is known of the biology of this species and they were destroyed after attempts to have them parasitise New Zealand Coleophora spp. [C. frischella and C. spissicornis] failed.
Cameron et al. (1989) - not released.
Cameron PJ, Hill RL, Bain J, Thomas WP (1989). A Review of Biological Control of Invertebrate Pests and Weeds in New Zealand 1874-1987. Technical Communication No 10. CAB International Institute of Biological Control. DSIR Entomology Division. 424p.